A quick video explaining how to replace internal tilt latches on a vinyl window. Top Tilt Latch, LH Product Code: 26-132 www.swisco.com/... Top Tilt Latch, RH Product Code: 26-133 www.swisco.com/...
It's possible they use some other style of tilt latch. Some manufacturers also design their windows in a way where repair is discouraged. In any case, If you need some assistance in finding or removing your hardware, our product experts would be happy to help you out- www.swisco.com/page-id-part
If you're referring to the lock shown around 0:26, that would be a sweep lock. You can check out all the varieties we carry here - www.swisco.com/cl/Hung_Sliding-Replacement-Sweep-Locks_Keepers